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April Weather in San Francisco, Bolivia

Last updated: August 22, 2025

In April, the average temperature in San Francisco, Bolivia is a mild 14°C (57°F), with temperatures ranging from a cool 2°C (37°F) to a warm 27°C (81°F). This month sees approximately 112 mm (4.4 in) of precipitation over 20 days, contributing to an average humidity of 82%.

April Temperature in San Francisco

In April in San Francisco, the average temperature is 14°C (57°F). The maximum can reach 27°C (81°F), and the minimum can be as low as 2°C (37°F). This makes it a great time for travelers to explore the area while being prepared for both warm days and cooler evenings.

April Weather in San Francisco: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in San Francisco, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Francisco, April typically has an average temperature of 14°C (57°F), with highs reaching up to 27°C (81°F) and lows dropping to around 2°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec616059575451505256596060
Data source: Temperature data for San Francisco generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in San Francisco

In San Francisco in April, the precipitation amount is 112 mm (4.4 in) over a span of 20 days.

April Precipitation Trends in San Francisco

The chart displays monthly precipitation patterns in San Francisco, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In San Francisco, April typically receives around 112 mm (4.4 inches) of precipitation spread over approximately 20 days.
JanFebMarAprMayJunJulAugSepOctNovDec174225185112442124235390126249
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in San Francisco

In San Francisco in April, humidity is 82%. With an average temperature of 14°C (57°F), this humidity feels like a thick blanket enveloping you, making outdoor activities uncomfortable and travel more challenging due to the heavy, damp air.

April Average Humidity in San Francisco

This chart illustrates the average monthly humidity levels in San Francisco, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in San Francisco is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%81%78%82%82%69%49%33%42%49%78%87%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in San Francisco

In San Francisco in April, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in San Francisco, you can check here.

Maximum UV Index Levels in San Francisco for April

The chart shows the monthly maximum UV Index (UVI) for San Francisco in April, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In April, the maximum UV index in San Francisco typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1717161411891214171818
Data source: San Francisco April UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How April Weather in San Francisco Compares to Other Months

Weather in San Francisco varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in San Francisco, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in San Francisco, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather16°C (61°F)174 mm (6.8 inches)87%extreme
February Weather15°C (60°F)225 mm (8.9 inches)81%extreme
March Weather15°C (59°F)185 mm (7.3 inches)78%extreme
April Weather14°C (57°F)112 mm (4.4 inches)82%extreme
May Weather12°C (54°F)43 mm (1.7 inches)82%extreme
June Weather11°C (52°F)21 mm (0.8 inches)69%very high
July Weather10°C (51°F)24 mm (0.9 inches)49%very high
August Weather11°C (52°F)23 mm (0.9 inches)33%extreme
September Weather14°C (57°F)53 mm (2.1 inches)42%extreme
October Weather15°C (60°F)90 mm (3.5 inches)49%extreme
November Weather16°C (60°F)126 mm (4.9 inches)78%extreme
December Weather16°C (60°F)249 mm (9.8 inches)87%extreme

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